Home / 13,400,458.29-18,491,879.81-7,519,544.01

Finding the Fourth Proportional to 13,400,458.29, 18,491,879.81 and 7,519,544.01

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Solution

The fourth proportional to 13,400,458.29, 18,491,879.81 and 7,519,544.01 is: 10,376,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,458.29 : 18,491,879.81 = 7,519,544.01 : x
  2. Step 2: Convert to fraction form
    13,400,458.29/18,491,879.81 = 7,519,544.01/x
  3. Step 3: Cross multiply
    13,400,458.29x = 18,491,879.81 × 7,519,544.01
  4. Step 4: Simplify right side
    13,400,458.29x = 139,050,504,077,724.30
  5. Step 5: Solve for x
    x = 139,050,504,077,724.30/13,400,458.29
  6. Step 6: Final answer
    x = 10,376,548.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.